From: Boris Brezillon <boris.brezillon@collabora.com>
To: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Richard Weinberger <richard.weinberger@gmail.com>,
stable@vger.kernel.org, linux-mtd@lists.infradead.org,
haojian.zhuang@gmail.com, Daniel Mack <daniel@zonque.org>,
robert.jarzmik@free.fr, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] mtd: rawnand: marvell: select target before setting up data interface
Date: Fri, 22 Mar 2019 10:05:14 +0100 [thread overview]
Message-ID: <20190322100514.25c3f9ee@collabora.com> (raw)
In-Reply-To: <20190322093046.71df010d@xps13>
On Fri, 22 Mar 2019 09:30:46 +0100
Miquel Raynal <miquel.raynal@bootlin.com> wrote:
> Hi Daniel,
>
> + Richard: this is fixes materials
>
> Daniel Mack <daniel@zonque.org> wrote on Thu, 21 Mar 2019 22:20:10
> +0100:
>
> > Now that the nand drivers are responsible for selecting the target
> > prior to hardware access, a call to marvell_nfc_select_target() is
> > necessary from marvell_nfc_setup_data_interface().
> >
> > This is a regression introduced by commit b25251414f6e ("mtd:
> > rawnand: marvell: Stop implementing ->select_chip()").
> >
> > Fixes: b25251414f6e ("mtd: rawnand: marvell: Stop implementing ->select_chip()")
> > Cc: Boris Brezillon <boris.brezillon@collabora.com>
> > Cc: <stable@vger.kernel.org>
> > Signed-off-by: Daniel Mack <daniel@zonque.org>
> > ---
> > drivers/mtd/nand/raw/marvell_nand.c | 2 ++
> > 1 file changed, 2 insertions(+)
> >
> > diff --git a/drivers/mtd/nand/raw/marvell_nand.c b/drivers/mtd/nand/raw/marvell_nand.c
> > index 84283c6bb0ff..93abe5be8995 100644
> > --- a/drivers/mtd/nand/raw/marvell_nand.c
> > +++ b/drivers/mtd/nand/raw/marvell_nand.c
> > @@ -2325,6 +2325,8 @@ static int marvell_nfc_setup_data_interface(struct nand_chip *chip, int chipnr,
> > struct marvell_nfc_timings nfc_tmg;
> > int read_delay;
> >
> > + marvell_nfc_select_target(chip, chip->cur_cs);
Maybe s/chip->cur_cs/chipnr/
> > +
> > sdr = nand_get_sdr_timings(conf);
> > if (IS_ERR(sdr))
> > return PTR_ERR(sdr);
>
> I had a short look yesterday and this is very likely to be the root
> cause of the regression, thank you very much!
>
> Acked-by: Miquel Raynal <miquel.raynal@bootlin.com>
>
>
> Thanks,
> Miquèl
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next prev parent reply other threads:[~2019-03-22 9:05 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-21 21:20 [PATCH] mtd: rawnand: marvell: select target before setting up data interface Daniel Mack
2019-03-22 8:30 ` Miquel Raynal
2019-03-22 9:05 ` Boris Brezillon [this message]
2019-03-22 18:48 ` Daniel Mack
2019-03-25 9:09 ` Miquel Raynal
2019-03-25 16:21 ` Daniel Mack
2019-03-30 18:09 ` Boris Brezillon
2019-03-30 18:20 ` Boris Brezillon
2019-04-01 15:29 ` Daniel Mack
2019-04-05 9:48 ` Miquel Raynal
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